Ranjani S
Network Security Analyst
About
Ranjani S is a Network Security Analyst with expertise in cyber security and privacy-preserving systems. She brings 0.5 years of experience in the cyber security industry, specializing in AI-based threat detection and malware analysis. She has a proven ability to develop innovative solutions, such as a privacy-preserving intrusion detection system using Federated Learning. She is seeking roles such as Junior Network Security Analyst, Cyber Security Analyst, or SOC Analyst to further her career in information security.
Looking For
Experience
Network Security Analyst
May 2024 – Present · 2 yrsVirtual Tech Services · Ambattur Chennai
- Developed leadership, decision-making, and problem-solving skills in cyber security initiatives.
- Monitored project progress and resolved implementation challenges to maintain quality.
- Presented project outcomes during reviews, seminars, and research discussions.
Developed a privacy-preserving intrusion detection system using Federated Learning and rule-based file behavior scoring
Jul 2025 – Apr 2026 · 9 mos- Enabled distributed threat detection without sharing sensitive data.
- Improved security across decentralized environments.
Designed and implemented a dynamic noise injection mechanism to protect sensitive data during model training
Jul 2024 – Dec 2024 · 5 mos- Enhanced data privacy while maintaining model accuracy.
- Published research paper on the project.
Built a machine-learning-based anomaly detection model to identify suspicious network activities
Jan 2024 – Jan 2024- Analyzed traffic patterns and logs to detect cyber threats in real time.
- Utilized statistical and machine learning techniques for baseline network behavior.
The framework monitors runtime file activities such as access patterns and system calls
Jul 2023 – Jul 2023- Assigned behavior-based risk scores to classify files as benign or malicious.
- Strengthened detection of zero-day and unseen malware.
Skills
Cyber Security Fundamentals
Threat Analysis & Mitigation
Advanced Security Technologies
Industries
Languages
Education & Certifications
Bachelor of Technology in Computer science Engineering in Computer science Engineering
Kalasalingam Academy of research and education · 2026
HSC, Class XII
Lakshmi Matric Higher Secondary School · 2022
SSC, Class X
Lakshmi Matric Higher Secondary School · 2020